The Delaware Valley Section of the American Institute of Chemical Engineers serves Philadelphia and Wilmington; and the surro ... unding area in Pennsylvania, New Jersey, Delaware, and Maryland. We hold Dinner Meetings each month, multiple professional development lectures each month, and numerous other events throughout the year.. Please see our webpage for the latest schedule. ALL members are invited and ENCOURAGED to attend our Planning Meetings. These meetings are usually held the first Wednesday of the month, except July and August, at 6:00 PM in White Hall (Chemical Engineering) Room 311 at Villanova University. read more